398993887 (number)

398993887 is an odd 9-digits composite number following 398993886 and preceding 398993888. In scientific notation, it is written as 3.98993887 × 10^8. The sum of its digits is 64. It has a total of 2 prime factors and 4 positive divisors. There are 398908440 positive integers (up to 398993887) that are relatively prime to 398993887.

Interesting facts

Basic properties

Name

Name three hundred ninety-eight million nine hundred ninety-three thousand eight hundred eighty-seven

Notation

Scientific notation 3.98993887 × 10^8
Engineering notation 3.98993887 × 10^6

Prime Factorization of 398993887

Prime Factorization 4957 × 80491

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 398993887
Product of the distinct prime numbers

The prime factorization of 398993887 is 4957 × 80491. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 1, 64, 74, 864, 550, 8893, 8154, 49336, 8637, 379416, 889030, 3626681, 6596030, 40276943, 81291440, 309270371, 345788495, 3710894270, 8776169352

Basic calculations (n = 398993887)

Multiplication

n×y
n×2 797987774
n×3 1196981661
n×4 1595975548
n×5 1994969435

Division

n÷y
n÷2 199496943.5
n÷3 132997962.33333
n÷3 99748471.75
n÷5 79798777.4

Exponentiation

ny
n2 159196121863368769
n3 6.3518279457591E+25
n4 2.5343405216337E+34
n5 1.0111863757082E+43

Nth Root

y√n
2√n 19974.831338462
3√n 736.18802239338
4√n 141.33234356814
5√n 52.504103622812

Divisors of 398993887

1, 4957, 80491, 398993887

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -398993886
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 398993887 can be divided by 4 positive divisors. The sum of these divisors (counting 398993887) is 1, the average is 0.25.

Base conversion 398993887

Base System Value
2 Binary 10111110010000010100111011111
3 Ternary 1000210202222201101
4 Quaternary 113302002213133
5 Quinary 1304120301022
6 Senary 103331453531
8 Octal 2762024737
10 Decimal 398993887
12 Duodecimal b17572a7
16 Hexadecimal 17c829df
20 Vigesimal 64de4e7
36 Base36 6ljtnj

Cryptographic Hash Functions

md5 4c2f4c1359c4a9fb9ea3124939960b96
sha1 1175188c9e181233967385cc869851357612e539
sha256 e8ef494d9e22a32f8427be2d2f217f0cc421dc0ed41c6fba8bf0f9a39c23a9e4
sha512 992e2e947baa0c7cf723fa11ca372813b9202490e0e7323a802bd9ddcdb165e3e5bf49ea1aafad6db91bb62b600a1e6bc6526868a898e7b450f9fc5dad0f01be
ripemd-160 ae1a44d764914b89e9400250df370fd0e5830878

398993887 as geometric shapes

Circle

Radius = n
Diameter 797987774
Circumference 2506952528.4529
Area 5.0012936692594E+17

Sphere

Radius = n
Volume 2.6606474681684E+26
Surface area 2.0005174677038E+18
Circumference 2506952528.4529

Square

Length = n
Perimeter 1595975548
Area 159196121863368769
Diagonal 564262566.29936

Cube

Length = n
Surface area 955176731180212614
Volume 6.3518279457591E+25
Space diagonal 691077684.1934

Equilateral Triangle

Length = n
Perimeter 1196981661
Area 6.893394285882E+16
Altitude 345538842.0967

Triangular Pyramid

Length = n
Surface area 6.893394285882E+16
Volume 7.4857010222942E+24
Height 188087522.09979